Electric Feet Warmers,Portable Heating , Auto ShutOff, AntiSlip Sole Product Features: [Highquality thermal insulation materials]products made of velvet plush fabric, in which the heater is composed of highgrade carbon fiber. The highest local temperature is as high as 50 degrees Celsius. [Washable and durable]This kind of wrap can be divided into inner heating jacket and outer jacket, and jacket with invisible zipper. If you open the zipper, you can remove the internal heating jacket for cleaning. [Rapid heatingHeat immediately and energize to reach the rated temperature within 3 to 6 minutes. Very suitable for family, office, outdoor walking, camping, etc. [Builtin ]The bottom of the electric foot uses a carbon fiber heating component and is covered with a soft cloth, so it is safer. It can be used repeatedly without frequent replacement. Support USB2.0/USB3.0 . [USB powered, super convenient]] This product can be inserted into any USB port, such as charger, mobile power, car USB charging and computer. In addition to keeping warm, it can also effectively relieve pain and is suitable for patients suffering from arthritis, low back pain, cold feet and menstrual women. Application scenarios: home, school, office, car travel, outdoor camping, fishing, etc. The heating can be disassembled for easy cleaning. Product Specifications: Material: Polyester fiberHot wire Function: warm and multipurpose, warm hands, warm feet Weight: about 470 grams Power: USB Output voltage: 220V Product power: 10W Product size: about 35x29x23cm/13.78x11.42x9.05inch Temperature range:Low / Medium / High Timed off:60/90/120 min Gear position: 3 gear Power cord length: 225cm Washing method: the base of the jacket is separated, and the jacket can be removed for cleaning. Instructions: Insert the USB data cable into the USB port, you can slowly increase the temperature and maintain the post temperature. The temperature will be affected according to the usage conditions. You can use a computer, AC adapter, mobile power supply, etc. When not in use, be sure to unplug the USB data cable from the USB port. When using for a long time, please use it continuously for up to 8 hours. When the USB cable is connected, the main body often becomes hot. Please be careful when using it for a long time. About maintenance: Not machine washable, dryer, iron. For the dirt on the outside of the main body, please put a neutral detergent diluted with into a soft cloth, wring it out lightly, and then wipe it. At this time, please remove the heating plate and bottom pad from the main body. Do not use brushes, brushes, brushes, gasoline, thinners and other solvents. Precautions for use: Please do not sleep while using this product. Please keep this product out of reach of children. This product cannot replace drugs. This product cannot be charged. Be sure to unplug the USB data cable after use. It may cause accidents and malfunctions. Please read the attached instruction manual before use, and use it safely. Package Contents: 1 Pair Electric Feet Warmers